CVE-2020-1451 Explained : Impact and Mitigation

Microsoft SharePoint Server XSS Vulnerability

Understanding CVE-2020-1451

A cross-site-scripting (XSS) vulnerability in Microsoft SharePoint Server allows attackers to execute malicious scripts on web browsers of users visiting affected sites.

What is CVE-2020-1451?

The CVE-2020-1451 vulnerability arises from inadequate sanitization of web requests to Microsoft SharePoint Server, enabling attackers to inject and execute malicious scripts.

The Impact of CVE-2020-1451

Successful exploitation could lead to unauthorized data access, user impersonation, and potentially complete system compromise.
Attackers may exploit this vulnerability to launch phishing attacks, steal sensitive information, or conduct further cyber threats.

Technical Details of CVE-2020-1451

A detailed overview of the technical aspects of the vulnerability.

Vulnerability Description

CVE ID: CVE-2020-1451
The flaw affects Microsoft SharePoint Server, allowing malicious script execution.

Affected Systems and Versions

Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft SharePoint Server 2019
Microsoft SharePoint Server 2010 Service Pack 2

Exploitation Mechanism

Attackers craft a specially designed web request that the affected SharePoint server fails to sanitize, enabling XSS attacks.

Mitigation and Prevention

Guidelines to mitigate the CVE-2020-1451 vulnerability.

Immediate Steps to Take

Apply patches or updates provided by Microsoft promptly.
Monitor and restrict user input to prevent malicious script injections.

Long-Term Security Practices

Regular security assessments and audits of SharePoint configurations.
Train employees on identifying and reporting suspicious activities.

Patching and Updates

Stay informed about security updates and patches released by Microsoft for SharePoint Server.
Implement a robust patch management process to ensure timely application of security fixes.